4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
27 #include <stdio_ext.h>
30 #include <sys/zfs_context.h>
32 #include <sys/spa_impl.h>
35 #include <sys/fs/zfs.h>
36 #include <sys/zfs_znode.h>
38 #include <sys/vdev_impl.h>
39 #include <sys/metaslab_impl.h>
40 #include <sys/dmu_objset.h>
41 #include <sys/dsl_dir.h>
42 #include <sys/dsl_dataset.h>
43 #include <sys/dsl_pool.h>
46 #include <sys/zil_impl.h>
48 #include <sys/resource.h>
49 #include <sys/dmu_traverse.h>
50 #include <sys/zio_checksum.h>
51 #include <sys/zio_compress.h>
52 #include <sys/zfs_fuid.h>
58 const char cmdname[] = "zdb";
59 uint8_t dump_opt[256];
61 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
63 extern void dump_intent_log(zilog_t *);
64 uint64_t *zopt_object = NULL;
66 libzfs_handle_t *g_zfs;
67 boolean_t zdb_sig_user_data = B_TRUE;
68 int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
71 * These libumem hooks provide a reasonable set of defaults for the allocator's
72 * debugging facilities.
77 return ("default,verbose"); /* $UMEM_DEBUG setting */
81 _umem_logging_init(void)
83 return ("fail,contents"); /* $UMEM_LOGGING setting */
89 (void) fprintf(stderr,
90 "Usage: %s [-udibcsv] [-U cachefile_path] "
92 "dataset [object...]\n"
95 " %s -R pool:vdev:offset:size:flags\n"
96 " %s [-p path_to_vdev_dir]\n"
97 " %s -e pool | GUID | devid ...\n",
98 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
100 (void) fprintf(stderr, " -u uberblock\n");
101 (void) fprintf(stderr, " -d datasets\n");
102 (void) fprintf(stderr, " -C cached pool configuration\n");
103 (void) fprintf(stderr, " -i intent logs\n");
104 (void) fprintf(stderr, " -b block statistics\n");
105 (void) fprintf(stderr, " -c checksum all data blocks\n");
106 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
107 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
108 "dump blkptr signatures\n");
109 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
110 (void) fprintf(stderr, " -l dump label contents\n");
111 (void) fprintf(stderr, " -U cachefile_path -- use alternate "
113 (void) fprintf(stderr, " -R read and display block from a "
115 (void) fprintf(stderr, " -e Pool is exported/destroyed/"
117 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n");
118 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
119 "to make only that option verbose\n");
120 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
125 fatal(const char *fmt, ...)
130 (void) fprintf(stderr, "%s: ", cmdname);
131 (void) vfprintf(stderr, fmt, ap);
133 (void) fprintf(stderr, "\n");
139 dump_nvlist(nvlist_t *list, int indent)
141 nvpair_t *elem = NULL;
143 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
144 switch (nvpair_type(elem)) {
145 case DATA_TYPE_STRING:
149 VERIFY(nvpair_value_string(elem, &value) == 0);
150 (void) printf("%*s%s='%s'\n", indent, "",
151 nvpair_name(elem), value);
155 case DATA_TYPE_UINT64:
159 VERIFY(nvpair_value_uint64(elem, &value) == 0);
160 (void) printf("%*s%s=%llu\n", indent, "",
161 nvpair_name(elem), (u_longlong_t)value);
165 case DATA_TYPE_NVLIST:
169 VERIFY(nvpair_value_nvlist(elem, &value) == 0);
170 (void) printf("%*s%s\n", indent, "",
172 dump_nvlist(value, indent + 4);
176 case DATA_TYPE_NVLIST_ARRAY:
181 VERIFY(nvpair_value_nvlist_array(elem, &value,
184 for (c = 0; c < count; c++) {
185 (void) printf("%*s%s[%u]\n", indent, "",
186 nvpair_name(elem), c);
187 dump_nvlist(value[c], indent + 8);
194 (void) printf("bad config type %d for %s\n",
195 nvpair_type(elem), nvpair_name(elem));
202 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
205 size_t nvsize = *(uint64_t *)data;
206 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
208 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
210 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
212 umem_free(packed, nvsize);
219 const char dump_zap_stars[] = "****************************************";
220 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
223 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
226 int minidx = ZAP_HISTOGRAM_SIZE - 1;
230 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
233 if (histo[i] > 0 && i > maxidx)
235 if (histo[i] > 0 && i < minidx)
239 if (max < dump_zap_width)
240 max = dump_zap_width;
242 for (i = minidx; i <= maxidx; i++)
243 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
244 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
248 dump_zap_stats(objset_t *os, uint64_t object)
253 error = zap_get_stats(os, object, &zs);
257 if (zs.zs_ptrtbl_len == 0) {
258 ASSERT(zs.zs_num_blocks == 1);
259 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
260 (u_longlong_t)zs.zs_blocksize,
261 (u_longlong_t)zs.zs_num_entries);
265 (void) printf("\tFat ZAP stats:\n");
267 (void) printf("\t\tPointer table:\n");
268 (void) printf("\t\t\t%llu elements\n",
269 (u_longlong_t)zs.zs_ptrtbl_len);
270 (void) printf("\t\t\tzt_blk: %llu\n",
271 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
272 (void) printf("\t\t\tzt_numblks: %llu\n",
273 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
274 (void) printf("\t\t\tzt_shift: %llu\n",
275 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
276 (void) printf("\t\t\tzt_blks_copied: %llu\n",
277 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
278 (void) printf("\t\t\tzt_nextblk: %llu\n",
279 (u_longlong_t)zs.zs_ptrtbl_nextblk);
281 (void) printf("\t\tZAP entries: %llu\n",
282 (u_longlong_t)zs.zs_num_entries);
283 (void) printf("\t\tLeaf blocks: %llu\n",
284 (u_longlong_t)zs.zs_num_leafs);
285 (void) printf("\t\tTotal blocks: %llu\n",
286 (u_longlong_t)zs.zs_num_blocks);
287 (void) printf("\t\tzap_block_type: 0x%llx\n",
288 (u_longlong_t)zs.zs_block_type);
289 (void) printf("\t\tzap_magic: 0x%llx\n",
290 (u_longlong_t)zs.zs_magic);
291 (void) printf("\t\tzap_salt: 0x%llx\n",
292 (u_longlong_t)zs.zs_salt);
294 (void) printf("\t\tLeafs with 2^n pointers:\n");
295 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
297 (void) printf("\t\tBlocks with n*5 entries:\n");
298 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
300 (void) printf("\t\tBlocks n/10 full:\n");
301 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
303 (void) printf("\t\tEntries with n chunks:\n");
304 dump_zap_histogram(zs.zs_entries_using_n_chunks);
306 (void) printf("\t\tBuckets with n entries:\n");
307 dump_zap_histogram(zs.zs_buckets_with_n_entries);
312 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
318 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
324 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
330 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
333 zap_attribute_t attr;
337 dump_zap_stats(os, object);
340 for (zap_cursor_init(&zc, os, object);
341 zap_cursor_retrieve(&zc, &attr) == 0;
342 zap_cursor_advance(&zc)) {
343 (void) printf("\t\t%s = ", attr.za_name);
344 if (attr.za_num_integers == 0) {
348 prop = umem_zalloc(attr.za_num_integers *
349 attr.za_integer_length, UMEM_NOFAIL);
350 (void) zap_lookup(os, object, attr.za_name,
351 attr.za_integer_length, attr.za_num_integers, prop);
352 if (attr.za_integer_length == 1) {
353 (void) printf("%s", (char *)prop);
355 for (i = 0; i < attr.za_num_integers; i++) {
356 switch (attr.za_integer_length) {
359 ((uint16_t *)prop)[i]);
363 ((uint32_t *)prop)[i]);
366 (void) printf("%lld ",
367 (u_longlong_t)((int64_t *)prop)[i]);
373 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
375 zap_cursor_fini(&zc);
380 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
383 zap_attribute_t attr;
384 const char *typenames[] = {
385 /* 0 */ "not specified",
387 /* 2 */ "Character Device",
388 /* 3 */ "3 (invalid)",
390 /* 5 */ "5 (invalid)",
391 /* 6 */ "Block Device",
392 /* 7 */ "7 (invalid)",
393 /* 8 */ "Regular File",
394 /* 9 */ "9 (invalid)",
395 /* 10 */ "Symbolic Link",
396 /* 11 */ "11 (invalid)",
399 /* 14 */ "Event Port",
400 /* 15 */ "15 (invalid)",
403 dump_zap_stats(os, object);
406 for (zap_cursor_init(&zc, os, object);
407 zap_cursor_retrieve(&zc, &attr) == 0;
408 zap_cursor_advance(&zc)) {
409 (void) printf("\t\t%s = %lld (type: %s)\n",
410 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
411 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
413 zap_cursor_fini(&zc);
417 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
419 uint64_t alloc, offset, entry;
420 uint8_t mapshift = sm->sm_shift;
421 uint64_t mapstart = sm->sm_start;
422 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
423 "INVALID", "INVALID", "INVALID", "INVALID" };
425 if (smo->smo_object == 0)
429 * Print out the freelist entries in both encoded and decoded form.
432 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
433 VERIFY(0 == dmu_read(os, smo->smo_object, offset,
434 sizeof (entry), &entry));
435 if (SM_DEBUG_DECODE(entry)) {
436 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
437 (u_longlong_t)(offset / sizeof (entry)),
438 ddata[SM_DEBUG_ACTION_DECODE(entry)],
439 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
440 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
442 (void) printf("\t\t[%4llu] %c range:"
443 " %08llx-%08llx size: %06llx\n",
444 (u_longlong_t)(offset / sizeof (entry)),
445 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
446 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
447 mapshift) + mapstart),
448 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
449 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
451 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
452 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
453 alloc += SM_RUN_DECODE(entry) << mapshift;
455 alloc -= SM_RUN_DECODE(entry) << mapshift;
458 if (alloc != smo->smo_alloc) {
459 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
460 "with space map summary (%llu)\n",
461 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
466 dump_metaslab(metaslab_t *msp)
469 space_map_obj_t *smo = &msp->ms_smo;
470 vdev_t *vd = msp->ms_group->mg_vd;
471 spa_t *spa = vd->vdev_spa;
473 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
475 if (dump_opt['d'] <= 5) {
476 (void) printf("\t%10llx %10llu %5s\n",
477 (u_longlong_t)msp->ms_map.sm_start,
478 (u_longlong_t)smo->smo_object,
484 "\tvdev %llu offset %08llx spacemap %4llu free %5s\n",
485 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
486 (u_longlong_t)smo->smo_object, freebuf);
488 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
490 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
494 dump_metaslabs(spa_t *spa)
496 vdev_t *rvd = spa->spa_root_vdev;
500 (void) printf("\nMetaslabs:\n");
502 for (c = 0; c < rvd->vdev_children; c++) {
503 vd = rvd->vdev_child[c];
505 (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id);
507 if (dump_opt['d'] <= 5) {
508 (void) printf("\t%10s %10s %5s\n",
509 "offset", "spacemap", "free");
510 (void) printf("\t%10s %10s %5s\n",
511 "------", "--------", "----");
513 for (m = 0; m < vd->vdev_ms_count; m++)
514 dump_metaslab(vd->vdev_ms[m]);
520 dump_dtl(vdev_t *vd, int indent)
522 avl_tree_t *t = &vd->vdev_dtl_map.sm_root;
528 (void) printf("\nDirty time logs:\n\n");
530 (void) printf("\t%*s%s\n", indent, "",
531 vd->vdev_path ? vd->vdev_path :
532 vd->vdev_parent ? vd->vdev_ops->vdev_op_type :
533 spa_name(vd->vdev_spa));
535 for (ss = avl_first(t); ss; ss = AVL_NEXT(t, ss)) {
537 * Everything in this DTL must appear in all parent DTL unions.
539 for (pvd = vd; pvd; pvd = pvd->vdev_parent)
540 ASSERT(vdev_dtl_contains(&pvd->vdev_dtl_map,
541 ss->ss_start, ss->ss_end - ss->ss_start));
542 (void) printf("\t%*soutage [%llu,%llu] length %llu\n",
544 (u_longlong_t)ss->ss_start,
545 (u_longlong_t)ss->ss_end - 1,
546 (u_longlong_t)(ss->ss_end - ss->ss_start));
551 if (dump_opt['d'] > 5 && vd->vdev_children == 0) {
552 dump_spacemap(vd->vdev_spa->spa_meta_objset, &vd->vdev_dtl,
557 for (c = 0; c < vd->vdev_children; c++)
558 dump_dtl(vd->vdev_child[c], indent + 4);
563 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
568 blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid)
573 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
574 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
578 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas)
580 dva_t *dva = bp->blk_dva;
581 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1;
586 for (i = 0; i < ndvas; i++)
587 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
588 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
589 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
590 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
592 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu",
593 (u_longlong_t)BP_GET_LSIZE(bp),
594 (u_longlong_t)BP_GET_PSIZE(bp),
595 (u_longlong_t)bp->blk_fill,
596 (u_longlong_t)bp->blk_birth);
600 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
601 const dnode_phys_t *dnp)
603 char blkbuf[BP_SPRINTF_LEN];
606 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
607 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
609 (void) printf("%16llx ",
610 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
612 ASSERT(zb->zb_level >= 0);
614 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
615 if (l == zb->zb_level) {
616 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
622 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
623 (void) printf("%s\n", blkbuf);
626 #define SET_BOOKMARK(zb, objset, object, level, blkid) \
628 (zb)->zb_objset = objset; \
629 (zb)->zb_object = object; \
630 (zb)->zb_level = level; \
631 (zb)->zb_blkid = blkid; \
635 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
636 blkptr_t *bp, const zbookmark_t *zb)
640 if (bp->blk_birth == 0)
643 print_indirect(bp, zb, dnp);
645 if (BP_GET_LEVEL(bp) > 0) {
646 uint32_t flags = ARC_WAIT;
649 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
653 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
654 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
658 /* recursively visit blocks below this */
660 for (i = 0; i < epb; i++, cbp++) {
663 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
665 zb->zb_blkid * epb + i);
666 err = visit_indirect(spa, dnp, cbp, &czb);
669 fill += cbp->blk_fill;
671 ASSERT3U(fill, ==, bp->blk_fill);
672 (void) arc_buf_remove_ref(buf, &buf);
680 dump_indirect(dnode_t *dn)
682 dnode_phys_t *dnp = dn->dn_phys;
686 (void) printf("Indirect blocks:\n");
688 SET_BOOKMARK(&czb, dmu_objset_id(&dn->dn_objset->os),
689 dn->dn_object, dnp->dn_nlevels - 1, 0);
690 for (j = 0; j < dnp->dn_nblkptr; j++) {
692 (void) visit_indirect(dmu_objset_spa(&dn->dn_objset->os), dnp,
693 &dnp->dn_blkptr[j], &czb);
701 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
703 dsl_dir_phys_t *dd = data;
710 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
712 crtime = dd->dd_creation_time;
713 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
714 (void) printf("\t\thead_dataset_obj = %llu\n",
715 (u_longlong_t)dd->dd_head_dataset_obj);
716 (void) printf("\t\tparent_dir_obj = %llu\n",
717 (u_longlong_t)dd->dd_parent_obj);
718 (void) printf("\t\torigin_obj = %llu\n",
719 (u_longlong_t)dd->dd_origin_obj);
720 (void) printf("\t\tchild_dir_zapobj = %llu\n",
721 (u_longlong_t)dd->dd_child_dir_zapobj);
722 nicenum(dd->dd_used_bytes, nice);
723 (void) printf("\t\tused_bytes = %s\n", nice);
724 nicenum(dd->dd_compressed_bytes, nice);
725 (void) printf("\t\tcompressed_bytes = %s\n", nice);
726 nicenum(dd->dd_uncompressed_bytes, nice);
727 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
728 nicenum(dd->dd_quota, nice);
729 (void) printf("\t\tquota = %s\n", nice);
730 nicenum(dd->dd_reserved, nice);
731 (void) printf("\t\treserved = %s\n", nice);
732 (void) printf("\t\tprops_zapobj = %llu\n",
733 (u_longlong_t)dd->dd_props_zapobj);
734 (void) printf("\t\tdeleg_zapobj = %llu\n",
735 (u_longlong_t)dd->dd_deleg_zapobj);
736 (void) printf("\t\tflags = %llx\n",
737 (u_longlong_t)dd->dd_flags);
740 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
741 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
752 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
754 dsl_dataset_phys_t *ds = data;
756 char used[6], compressed[6], uncompressed[6], unique[6];
757 char blkbuf[BP_SPRINTF_LEN];
762 ASSERT(size == sizeof (*ds));
763 crtime = ds->ds_creation_time;
764 nicenum(ds->ds_used_bytes, used);
765 nicenum(ds->ds_compressed_bytes, compressed);
766 nicenum(ds->ds_uncompressed_bytes, uncompressed);
767 nicenum(ds->ds_unique_bytes, unique);
768 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
770 (void) printf("\t\tdir_obj = %llu\n",
771 (u_longlong_t)ds->ds_dir_obj);
772 (void) printf("\t\tprev_snap_obj = %llu\n",
773 (u_longlong_t)ds->ds_prev_snap_obj);
774 (void) printf("\t\tprev_snap_txg = %llu\n",
775 (u_longlong_t)ds->ds_prev_snap_txg);
776 (void) printf("\t\tnext_snap_obj = %llu\n",
777 (u_longlong_t)ds->ds_next_snap_obj);
778 (void) printf("\t\tsnapnames_zapobj = %llu\n",
779 (u_longlong_t)ds->ds_snapnames_zapobj);
780 (void) printf("\t\tnum_children = %llu\n",
781 (u_longlong_t)ds->ds_num_children);
782 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
783 (void) printf("\t\tcreation_txg = %llu\n",
784 (u_longlong_t)ds->ds_creation_txg);
785 (void) printf("\t\tdeadlist_obj = %llu\n",
786 (u_longlong_t)ds->ds_deadlist_obj);
787 (void) printf("\t\tused_bytes = %s\n", used);
788 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
789 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
790 (void) printf("\t\tunique = %s\n", unique);
791 (void) printf("\t\tfsid_guid = %llu\n",
792 (u_longlong_t)ds->ds_fsid_guid);
793 (void) printf("\t\tguid = %llu\n",
794 (u_longlong_t)ds->ds_guid);
795 (void) printf("\t\tflags = %llx\n",
796 (u_longlong_t)ds->ds_flags);
797 (void) printf("\t\tnext_clones_obj = %llu\n",
798 (u_longlong_t)ds->ds_next_clones_obj);
799 (void) printf("\t\tprops_obj = %llu\n",
800 (u_longlong_t)ds->ds_props_obj);
801 (void) printf("\t\tbp = %s\n", blkbuf);
805 dump_bplist(objset_t *mos, uint64_t object, char *name)
807 bplist_t bpl = { 0 };
808 blkptr_t blk, *bp = &blk;
814 if (dump_opt['d'] < 3)
817 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL);
818 VERIFY(0 == bplist_open(&bpl, mos, object));
819 if (bplist_empty(&bpl)) {
821 mutex_destroy(&bpl.bpl_lock);
825 nicenum(bpl.bpl_phys->bpl_bytes, bytes);
826 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
827 nicenum(bpl.bpl_phys->bpl_comp, comp);
828 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
829 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n",
830 name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
831 bytes, comp, uncomp);
833 (void) printf("\n %s: %llu entries, %s\n",
834 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
837 if (dump_opt['d'] < 5) {
839 mutex_destroy(&bpl.bpl_lock);
845 while (bplist_iterate(&bpl, &itor, bp) == 0) {
846 char blkbuf[BP_SPRINTF_LEN];
848 ASSERT(bp->blk_birth != 0);
849 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
850 (void) printf("\tItem %3llu: %s\n",
851 (u_longlong_t)itor - 1, blkbuf);
855 mutex_destroy(&bpl.bpl_lock);
858 static avl_tree_t idx_tree;
859 static avl_tree_t domain_tree;
860 static boolean_t fuid_table_loaded;
865 if (fuid_table_loaded) {
866 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
867 fuid_table_loaded = B_FALSE;
872 * print uid or gid information.
873 * For normal POSIX id just the id is printed in decimal format.
874 * For CIFS files with FUID the fuid is printed in hex followed by
875 * the doman-rid string.
878 print_idstr(uint64_t id, const char *id_type)
880 if (FUID_INDEX(id)) {
883 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
884 (void) printf("\t%s %llx [%s-%d]\n", id_type,
885 (u_longlong_t)id, domain, (int)FUID_RID(id));
887 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
893 dump_uidgid(objset_t *os, znode_phys_t *zp)
895 uint32_t uid_idx, gid_idx;
897 uid_idx = FUID_INDEX(zp->zp_uid);
898 gid_idx = FUID_INDEX(zp->zp_gid);
900 /* Load domain table, if not already loaded */
901 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
904 /* first find the fuid object. It lives in the master node */
905 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
906 8, 1, &fuid_obj) == 0);
907 (void) zfs_fuid_table_load(os, fuid_obj,
908 &idx_tree, &domain_tree);
909 fuid_table_loaded = B_TRUE;
912 print_idstr(zp->zp_uid, "uid");
913 print_idstr(zp->zp_gid, "gid");
918 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
920 znode_phys_t *zp = data;
921 time_t z_crtime, z_atime, z_mtime, z_ctime;
922 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
925 ASSERT(size >= sizeof (znode_phys_t));
927 error = zfs_obj_to_path(os, object, path, sizeof (path));
929 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
930 (u_longlong_t)object);
933 if (dump_opt['d'] < 3) {
934 (void) printf("\t%s\n", path);
938 z_crtime = (time_t)zp->zp_crtime[0];
939 z_atime = (time_t)zp->zp_atime[0];
940 z_mtime = (time_t)zp->zp_mtime[0];
941 z_ctime = (time_t)zp->zp_ctime[0];
943 (void) printf("\tpath %s\n", path);
945 (void) printf("\tatime %s", ctime(&z_atime));
946 (void) printf("\tmtime %s", ctime(&z_mtime));
947 (void) printf("\tctime %s", ctime(&z_ctime));
948 (void) printf("\tcrtime %s", ctime(&z_crtime));
949 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen);
950 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode);
951 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size);
952 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent);
953 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links);
954 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr);
955 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev);
960 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
966 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
970 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
971 dump_none, /* unallocated */
972 dump_zap, /* object directory */
973 dump_uint64, /* object array */
974 dump_none, /* packed nvlist */
975 dump_packed_nvlist, /* packed nvlist size */
976 dump_none, /* bplist */
977 dump_none, /* bplist header */
978 dump_none, /* SPA space map header */
979 dump_none, /* SPA space map */
980 dump_none, /* ZIL intent log */
981 dump_dnode, /* DMU dnode */
982 dump_dmu_objset, /* DMU objset */
983 dump_dsl_dir, /* DSL directory */
984 dump_zap, /* DSL directory child map */
985 dump_zap, /* DSL dataset snap map */
986 dump_zap, /* DSL props */
987 dump_dsl_dataset, /* DSL dataset */
988 dump_znode, /* ZFS znode */
989 dump_acl, /* ZFS V0 ACL */
990 dump_uint8, /* ZFS plain file */
991 dump_zpldir, /* ZFS directory */
992 dump_zap, /* ZFS master node */
993 dump_zap, /* ZFS delete queue */
994 dump_uint8, /* zvol object */
995 dump_zap, /* zvol prop */
996 dump_uint8, /* other uint8[] */
997 dump_uint64, /* other uint64[] */
998 dump_zap, /* other ZAP */
999 dump_zap, /* persistent error log */
1000 dump_uint8, /* SPA history */
1001 dump_uint64, /* SPA history offsets */
1002 dump_zap, /* Pool properties */
1003 dump_zap, /* DSL permissions */
1004 dump_acl, /* ZFS ACL */
1005 dump_uint8, /* ZFS SYSACL */
1006 dump_none, /* FUID nvlist */
1007 dump_packed_nvlist, /* FUID nvlist size */
1008 dump_zap, /* DSL dataset next clones */
1009 dump_zap, /* DSL scrub queue */
1013 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1015 dmu_buf_t *db = NULL;
1016 dmu_object_info_t doi;
1020 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6];
1024 if (*print_header) {
1025 (void) printf("\n Object lvl iblk dblk lsize"
1031 dn = os->os->os_meta_dnode;
1033 error = dmu_bonus_hold(os, object, FTAG, &db);
1035 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1037 bonus = db->db_data;
1038 bsize = db->db_size;
1039 dn = ((dmu_buf_impl_t *)db)->db_dnode;
1041 dmu_object_info_from_dnode(dn, &doi);
1043 nicenum(doi.doi_metadata_block_size, iblk);
1044 nicenum(doi.doi_data_block_size, dblk);
1045 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1),
1047 nicenum(doi.doi_physical_blks << 9, asize);
1048 nicenum(doi.doi_bonus_size, bonus_size);
1052 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1053 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1054 zio_checksum_table[doi.doi_checksum].ci_name);
1057 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1058 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1059 zio_compress_table[doi.doi_compress].ci_name);
1062 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n",
1063 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize,
1064 asize, dmu_ot[doi.doi_type].ot_name, aux);
1066 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1067 (void) printf("%10s %3s %5s %5s %5s %5s %s\n",
1068 "", "", "", "", bonus_size, "bonus",
1069 dmu_ot[doi.doi_bonus_type].ot_name);
1072 if (verbosity >= 4) {
1073 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
1074 object_viewer[doi.doi_type](os, object, NULL, 0);
1081 if (verbosity >= 5) {
1083 * Report the list of segments that comprise the object.
1087 uint64_t blkfill = 1;
1090 if (dn->dn_type == DMU_OT_DNODE) {
1092 blkfill = DNODES_PER_BLOCK;
1096 error = dnode_next_offset(dn,
1097 0, &start, minlvl, blkfill, 0);
1101 error = dnode_next_offset(dn,
1102 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1103 nicenum(end - start, segsize);
1104 (void) printf("\t\tsegment [%016llx, %016llx)"
1105 " size %5s\n", (u_longlong_t)start,
1106 (u_longlong_t)end, segsize);
1114 dmu_buf_rele(db, FTAG);
1117 static char *objset_types[DMU_OST_NUMTYPES] = {
1118 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1121 dump_dir(objset_t *os)
1123 dmu_objset_stats_t dds;
1124 uint64_t object, object_count;
1125 uint64_t refdbytes, usedobjs, scratch;
1127 char blkbuf[BP_SPRINTF_LEN];
1128 char osname[MAXNAMELEN];
1129 char *type = "UNKNOWN";
1130 int verbosity = dump_opt['d'];
1131 int print_header = 1;
1134 dmu_objset_fast_stat(os, &dds);
1136 if (dds.dds_type < DMU_OST_NUMTYPES)
1137 type = objset_types[dds.dds_type];
1139 if (dds.dds_type == DMU_OST_META) {
1140 dds.dds_creation_txg = TXG_INITIAL;
1141 usedobjs = os->os->os_rootbp->blk_fill;
1142 refdbytes = os->os->os_spa->spa_dsl_pool->
1143 dp_mos_dir->dd_phys->dd_used_bytes;
1145 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1148 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill);
1150 nicenum(refdbytes, numbuf);
1152 if (verbosity >= 4) {
1153 (void) strcpy(blkbuf, ", rootbp ");
1154 sprintf_blkptr(blkbuf + strlen(blkbuf),
1155 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
1160 dmu_objset_name(os, osname);
1162 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1163 "%s, %llu objects%s\n",
1164 osname, type, (u_longlong_t)dmu_objset_id(os),
1165 (u_longlong_t)dds.dds_creation_txg,
1166 numbuf, (u_longlong_t)usedobjs, blkbuf);
1168 dump_intent_log(dmu_objset_zil(os));
1170 if (dmu_objset_ds(os) != NULL)
1171 dump_bplist(dmu_objset_pool(os)->dp_meta_objset,
1172 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist");
1177 if (os->os->os_rootbp->blk_birth == 0)
1180 if (zopt_objects != 0) {
1181 for (i = 0; i < zopt_objects; i++)
1182 dump_object(os, zopt_object[i], verbosity,
1184 (void) printf("\n");
1188 dump_object(os, 0, verbosity, &print_header);
1192 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1193 dump_object(os, object, verbosity, &print_header);
1197 ASSERT3U(object_count, ==, usedobjs);
1199 (void) printf("\n");
1202 fatal("dmu_object_next() = %d", error);
1206 dump_uberblock(uberblock_t *ub)
1208 time_t timestamp = ub->ub_timestamp;
1210 (void) printf("Uberblock\n\n");
1211 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1212 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1213 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1214 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1215 (void) printf("\ttimestamp = %llu UTC = %s",
1216 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1217 if (dump_opt['u'] >= 3) {
1218 char blkbuf[BP_SPRINTF_LEN];
1219 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp);
1220 (void) printf("\trootbp = %s\n", blkbuf);
1222 (void) printf("\n");
1226 dump_config(const char *pool)
1230 mutex_enter(&spa_namespace_lock);
1231 while ((spa = spa_next(spa)) != NULL) {
1233 (void) printf("%s\n", spa_name(spa));
1234 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0)
1235 dump_nvlist(spa->spa_config, 4);
1237 mutex_exit(&spa_namespace_lock);
1241 dump_cachefile(const char *cachefile)
1244 struct stat64 statbuf;
1248 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1249 (void) printf("cannot open '%s': %s\n", cachefile,
1254 if (fstat64(fd, &statbuf) != 0) {
1255 (void) printf("failed to stat '%s': %s\n", cachefile,
1260 if ((buf = malloc(statbuf.st_size)) == NULL) {
1261 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1262 (u_longlong_t)statbuf.st_size);
1266 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1267 (void) fprintf(stderr, "failed to read %llu bytes\n",
1268 (u_longlong_t)statbuf.st_size);
1274 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1275 (void) fprintf(stderr, "failed to unpack nvlist\n");
1281 dump_nvlist(config, 0);
1283 nvlist_free(config);
1287 dump_label(const char *dev)
1291 char *buf = label.vl_vdev_phys.vp_nvlist;
1292 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1293 struct stat64 statbuf;
1297 if ((fd = open64(dev, O_RDONLY)) < 0) {
1298 (void) printf("cannot open '%s': %s\n", dev, strerror(errno));
1302 if (fstat64(fd, &statbuf) != 0) {
1303 (void) printf("failed to stat '%s': %s\n", dev,
1308 psize = statbuf.st_size;
1309 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1311 for (l = 0; l < VDEV_LABELS; l++) {
1313 nvlist_t *config = NULL;
1315 (void) printf("--------------------------------------------\n");
1316 (void) printf("LABEL %d\n", l);
1317 (void) printf("--------------------------------------------\n");
1319 if (pread64(fd, &label, sizeof (label),
1320 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1321 (void) printf("failed to read label %d\n", l);
1325 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1326 (void) printf("failed to unpack label %d\n", l);
1329 dump_nvlist(config, 4);
1330 nvlist_free(config);
1336 dump_one_dir(char *dsname, void *arg)
1341 error = dmu_objset_open(dsname, DMU_OST_ANY,
1342 DS_MODE_USER | DS_MODE_READONLY, &os);
1344 (void) printf("Could not open %s\n", dsname);
1348 dmu_objset_close(os);
1349 fuid_table_destroy();
1354 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
1356 vdev_t *vd = sm->sm_ppd;
1358 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
1359 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
1364 zdb_space_map_load(space_map_t *sm)
1369 zdb_space_map_unload(space_map_t *sm)
1371 space_map_vacate(sm, zdb_leak, sm);
1376 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
1380 static space_map_ops_t zdb_space_map_ops = {
1382 zdb_space_map_unload,
1384 zdb_space_map_claim,
1389 zdb_leak_init(spa_t *spa)
1391 vdev_t *rvd = spa->spa_root_vdev;
1393 for (int c = 0; c < rvd->vdev_children; c++) {
1394 vdev_t *vd = rvd->vdev_child[c];
1395 for (int m = 0; m < vd->vdev_ms_count; m++) {
1396 metaslab_t *msp = vd->vdev_ms[m];
1397 mutex_enter(&msp->ms_lock);
1398 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops,
1399 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0);
1400 msp->ms_map.sm_ppd = vd;
1401 mutex_exit(&msp->ms_lock);
1407 zdb_leak_fini(spa_t *spa)
1409 vdev_t *rvd = spa->spa_root_vdev;
1411 for (int c = 0; c < rvd->vdev_children; c++) {
1412 vdev_t *vd = rvd->vdev_child[c];
1413 for (int m = 0; m < vd->vdev_ms_count; m++) {
1414 metaslab_t *msp = vd->vdev_ms[m];
1415 mutex_enter(&msp->ms_lock);
1416 space_map_unload(&msp->ms_map);
1417 mutex_exit(&msp->ms_lock);
1423 * Verify that the sum of the sizes of all blocks in the pool adds up
1424 * to the SPA's sa_alloc total.
1426 typedef struct zdb_blkstats {
1433 #define DMU_OT_DEFERRED DMU_OT_NONE
1434 #define DMU_OT_TOTAL DMU_OT_NUMTYPES
1436 #define ZB_TOTAL DN_MAX_LEVELS
1438 typedef struct zdb_cb {
1439 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1];
1440 uint64_t zcb_errors[256];
1446 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type)
1448 for (int i = 0; i < 4; i++) {
1449 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1450 int t = (i & 1) ? type : DMU_OT_TOTAL;
1451 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1453 zb->zb_asize += BP_GET_ASIZE(bp);
1454 zb->zb_lsize += BP_GET_LSIZE(bp);
1455 zb->zb_psize += BP_GET_PSIZE(bp);
1459 if (dump_opt['S']) {
1460 boolean_t print_sig;
1462 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 &&
1463 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS);
1465 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg)
1466 print_sig = B_FALSE;
1469 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t"
1470 "%llx:%llx:%llx:%llx\n",
1471 (u_longlong_t)BP_GET_LEVEL(bp),
1472 (longlong_t)BP_GET_PSIZE(bp),
1473 (longlong_t)BP_GET_NDVAS(bp),
1474 dmu_ot[BP_GET_TYPE(bp)].ot_name,
1475 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1476 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1477 (u_longlong_t)bp->blk_cksum.zc_word[0],
1478 (u_longlong_t)bp->blk_cksum.zc_word[1],
1479 (u_longlong_t)bp->blk_cksum.zc_word[2],
1480 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1484 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
1485 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
1489 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
1490 const dnode_phys_t *dnp, void *arg)
1492 zdb_cb_t *zcb = arg;
1493 char blkbuf[BP_SPRINTF_LEN];
1498 zdb_count_block(spa, zcb, bp, BP_GET_TYPE(bp));
1500 if (dump_opt['c'] || dump_opt['S']) {
1504 size = BP_GET_LSIZE(bp);
1505 data = malloc(size);
1506 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1507 NULL, NULL, ZIO_PRIORITY_ASYNC_READ,
1508 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb));
1511 /* We expect io errors on intent log */
1512 if (ioerr && BP_GET_TYPE(bp) != DMU_OT_INTENT_LOG) {
1513 zcb->zcb_haderrors = 1;
1514 zcb->zcb_errors[ioerr]++;
1516 if (dump_opt['b'] >= 2)
1517 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1521 if (!dump_opt['S']) {
1522 (void) printf("zdb_blkptr_cb: "
1523 "Got error %d reading "
1524 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
1526 (u_longlong_t)zb->zb_objset,
1527 (u_longlong_t)zb->zb_object,
1528 (u_longlong_t)zb->zb_level,
1529 (u_longlong_t)zb->zb_blkid,
1535 zcb->zcb_readfails = 0;
1537 if (dump_opt['b'] >= 4) {
1538 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1539 (void) printf("objset %llu object %llu offset 0x%llx %s\n",
1540 (u_longlong_t)zb->zb_objset,
1541 (u_longlong_t)zb->zb_object,
1542 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid),
1550 dump_block_stats(spa_t *spa)
1552 zdb_cb_t zcb = { 0 };
1553 zdb_blkstats_t *zb, *tzb;
1554 uint64_t alloc, space, logalloc;
1555 vdev_t *rvd = spa->spa_root_vdev;
1559 if (!dump_opt['S']) {
1560 (void) printf("\nTraversing all blocks to %sverify"
1561 " nothing leaked ...\n",
1562 dump_opt['c'] ? "verify checksums and " : "");
1566 * Load all space maps as SM_ALLOC maps, then traverse the pool
1567 * claiming each block we discover. If the pool is perfectly
1568 * consistent, the space maps will be empty when we're done.
1569 * Anything left over is a leak; any block we can't claim (because
1570 * it's not part of any space map) is a double allocation,
1571 * reference to a freed block, or an unclaimed log block.
1576 * If there's a deferred-free bplist, process that first.
1578 if (spa->spa_sync_bplist_obj != 0) {
1579 bplist_t *bpl = &spa->spa_sync_bplist;
1583 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset,
1584 spa->spa_sync_bplist_obj));
1586 while (bplist_iterate(bpl, &itor, &blk) == 0) {
1587 if (dump_opt['b'] >= 4) {
1588 char blkbuf[BP_SPRINTF_LEN];
1589 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk);
1590 (void) printf("[%s] %s\n",
1591 "deferred free", blkbuf);
1593 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED);
1599 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb);
1601 if (zcb.zcb_haderrors && !dump_opt['S']) {
1602 (void) printf("\nError counts:\n\n");
1603 (void) printf("\t%5s %s\n", "errno", "count");
1604 for (e = 0; e < 256; e++) {
1605 if (zcb.zcb_errors[e] != 0) {
1606 (void) printf("\t%5d %llu\n",
1607 e, (u_longlong_t)zcb.zcb_errors[e]);
1613 * Report any leaked segments.
1618 * If we're interested in printing out the blkptr signatures,
1619 * return now as we don't print out anything else (including
1620 * errors and leaks).
1623 return (zcb.zcb_haderrors ? 3 : 0);
1625 alloc = spa_get_alloc(spa);
1626 space = spa_get_space(spa);
1629 * Log blocks allocated from a separate log device don't count
1630 * as part of the normal pool space; factor them in here.
1634 for (c = 0; c < rvd->vdev_children; c++)
1635 if (rvd->vdev_child[c]->vdev_islog)
1636 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc;
1638 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL];
1640 if (tzb->zb_asize == alloc + logalloc) {
1641 (void) printf("\n\tNo leaks (block sum matches space"
1642 " maps exactly)\n");
1644 (void) printf("block traversal size %llu != alloc %llu "
1646 (u_longlong_t)tzb->zb_asize,
1647 (u_longlong_t)alloc + logalloc,
1648 (u_longlong_t)(alloc + logalloc - tzb->zb_asize));
1652 if (tzb->zb_count == 0)
1655 (void) printf("\n");
1656 (void) printf("\tbp count: %10llu\n",
1657 (u_longlong_t)tzb->zb_count);
1658 (void) printf("\tbp logical: %10llu\t avg: %6llu\n",
1659 (u_longlong_t)tzb->zb_lsize,
1660 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
1661 (void) printf("\tbp physical: %10llu\t avg:"
1662 " %6llu\tcompression: %6.2f\n",
1663 (u_longlong_t)tzb->zb_psize,
1664 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
1665 (double)tzb->zb_lsize / tzb->zb_psize);
1666 (void) printf("\tbp allocated: %10llu\t avg:"
1667 " %6llu\tcompression: %6.2f\n",
1668 (u_longlong_t)tzb->zb_asize,
1669 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
1670 (double)tzb->zb_lsize / tzb->zb_asize);
1671 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n",
1672 (u_longlong_t)alloc, 100.0 * alloc / space);
1674 if (dump_opt['b'] >= 2) {
1676 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
1677 "\t avg\t comp\t%%Total\tType\n");
1679 for (t = 0; t <= DMU_OT_NUMTYPES; t++) {
1680 char csize[6], lsize[6], psize[6], asize[6], avg[6];
1683 typename = t == DMU_OT_DEFERRED ? "deferred free" :
1684 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name;
1686 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
1687 (void) printf("%6s\t%5s\t%5s\t%5s"
1688 "\t%5s\t%5s\t%6s\t%s\n",
1700 for (l = ZB_TOTAL - 1; l >= -1; l--) {
1701 level = (l == -1 ? ZB_TOTAL : l);
1702 zb = &zcb.zcb_type[level][t];
1704 if (zb->zb_asize == 0)
1707 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
1710 if (level == 0 && zb->zb_asize ==
1711 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
1714 nicenum(zb->zb_count, csize);
1715 nicenum(zb->zb_lsize, lsize);
1716 nicenum(zb->zb_psize, psize);
1717 nicenum(zb->zb_asize, asize);
1718 nicenum(zb->zb_asize / zb->zb_count, avg);
1720 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
1722 csize, lsize, psize, asize, avg,
1723 (double)zb->zb_lsize / zb->zb_psize,
1724 100.0 * zb->zb_asize / tzb->zb_asize);
1726 if (level == ZB_TOTAL)
1727 (void) printf("%s\n", typename);
1729 (void) printf(" L%d %s\n",
1735 (void) printf("\n");
1740 if (zcb.zcb_haderrors)
1747 dump_zpool(spa_t *spa)
1749 dsl_pool_t *dp = spa_get_dsl(spa);
1753 dump_uberblock(&spa->spa_uberblock);
1755 if (dump_opt['d'] || dump_opt['i']) {
1756 dump_dir(dp->dp_meta_objset);
1757 if (dump_opt['d'] >= 3) {
1758 dump_bplist(dp->dp_meta_objset,
1759 spa->spa_sync_bplist_obj, "Deferred frees");
1760 dump_dtl(spa->spa_root_vdev, 0);
1761 dump_metaslabs(spa);
1763 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
1764 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
1767 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S'])
1768 rc = dump_block_stats(spa);
1771 show_pool_stats(spa);
1777 #define ZDB_FLAG_CHECKSUM 0x0001
1778 #define ZDB_FLAG_DECOMPRESS 0x0002
1779 #define ZDB_FLAG_BSWAP 0x0004
1780 #define ZDB_FLAG_GBH 0x0008
1781 #define ZDB_FLAG_INDIRECT 0x0010
1782 #define ZDB_FLAG_PHYS 0x0020
1783 #define ZDB_FLAG_RAW 0x0040
1784 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
1789 zdb_print_blkptr(blkptr_t *bp, int flags)
1791 dva_t *dva = bp->blk_dva;
1794 if (flags & ZDB_FLAG_BSWAP)
1795 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
1797 * Super-ick warning: This code is also duplicated in
1798 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code
1801 for (d = 0; d < BP_GET_NDVAS(bp); d++) {
1802 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d,
1803 (longlong_t)DVA_GET_VDEV(&dva[d]),
1804 (longlong_t)DVA_GET_OFFSET(&dva[d]));
1805 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t"
1807 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE",
1808 (longlong_t)DVA_GET_GRID(&dva[d]),
1809 (longlong_t)DVA_GET_ASIZE(&dva[d]));
1810 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d,
1811 (u_longlong_t)DVA_GET_VDEV(&dva[d]),
1812 (longlong_t)DVA_GET_OFFSET(&dva[d]),
1813 (longlong_t)BP_GET_PSIZE(bp),
1814 BP_SHOULD_BYTESWAP(bp) ? "e" : "",
1815 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ?
1817 DVA_GET_GANG(&dva[d]) ? "g" : "",
1818 BP_GET_COMPRESS(bp) != 0 ? "d" : "");
1820 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n",
1821 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp));
1822 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
1823 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG",
1824 dmu_ot[BP_GET_TYPE(bp)].ot_name);
1825 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n",
1826 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp),
1827 (u_longlong_t)bp->blk_fill);
1828 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n",
1829 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1830 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name);
1831 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n",
1832 (u_longlong_t)bp->blk_cksum.zc_word[0],
1833 (u_longlong_t)bp->blk_cksum.zc_word[1],
1834 (u_longlong_t)bp->blk_cksum.zc_word[2],
1835 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1839 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
1843 for (i = 0; i < nbps; i++)
1844 zdb_print_blkptr(&bp[i], flags);
1848 zdb_dump_gbh(void *buf, int flags)
1850 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
1854 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
1856 if (flags & ZDB_FLAG_BSWAP)
1857 byteswap_uint64_array(buf, size);
1858 (void) write(2, buf, size);
1862 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
1864 uint64_t *d = (uint64_t *)buf;
1865 int nwords = size / sizeof (uint64_t);
1866 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
1872 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
1874 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
1876 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
1878 for (i = 0; i < nwords; i += 2) {
1879 (void) printf("%06llx: %016llx %016llx ",
1880 (u_longlong_t)(i * sizeof (uint64_t)),
1881 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
1882 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
1885 for (j = 0; j < 2 * sizeof (uint64_t); j++)
1886 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
1887 (void) printf("\n");
1892 * There are two acceptable formats:
1893 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
1894 * child[.child]* - For example: 0.1.1
1896 * The second form can be used to specify arbitrary vdevs anywhere
1897 * in the heirarchy. For example, in a pool with a mirror of
1898 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
1901 zdb_vdev_lookup(vdev_t *vdev, char *path)
1909 /* First, assume the x.x.x.x format */
1910 i = (int)strtoul(path, &s, 10);
1911 if (s == path || (s && *s != '.' && *s != '\0'))
1913 if (i < 0 || i >= vdev->vdev_children)
1916 vdev = vdev->vdev_child[i];
1919 return (zdb_vdev_lookup(vdev, s+1));
1922 for (i = 0; i < vdev->vdev_children; i++) {
1923 vdev_t *vc = vdev->vdev_child[i];
1925 if (vc->vdev_path == NULL) {
1926 vc = zdb_vdev_lookup(vc, path);
1933 p = strrchr(vc->vdev_path, '/');
1934 p = p ? p + 1 : vc->vdev_path;
1935 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
1937 if (strcmp(vc->vdev_path, path) == 0)
1939 if (strcmp(p, path) == 0)
1941 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
1949 * Read a block from a pool and print it out. The syntax of the
1950 * block descriptor is:
1952 * pool:vdev_specifier:offset:size[:flags]
1954 * pool - The name of the pool you wish to read from
1955 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
1956 * offset - offset, in hex, in bytes
1957 * size - Amount of data to read, in hex, in bytes
1958 * flags - A string of characters specifying options
1959 * b: Decode a blkptr at given offset within block
1960 * *c: Calculate and display checksums
1961 * *d: Decompress data before dumping
1962 * e: Byteswap data before dumping
1963 * *g: Display data as a gang block header
1964 * *i: Display as an indirect block
1965 * p: Do I/O to physical offset
1966 * r: Dump raw data to stdout
1968 * * = not yet implemented
1971 zdb_read_block(char *thing, spa_t **spap)
1975 uint64_t offset = 0, size = 0, blkptr_offset = 0;
1979 char *s, *p, *dup, *pool, *vdev, *flagstr;
1980 int i, error, zio_flags;
1982 dup = strdup(thing);
1983 s = strtok(dup, ":");
1985 s = strtok(NULL, ":");
1987 s = strtok(NULL, ":");
1988 offset = strtoull(s ? s : "", NULL, 16);
1989 s = strtok(NULL, ":");
1990 size = strtoull(s ? s : "", NULL, 16);
1991 s = strtok(NULL, ":");
1992 flagstr = s ? s : "";
1996 s = "size must not be zero";
1997 if (!IS_P2ALIGNED(size, DEV_BSIZE))
1998 s = "size must be a multiple of sector size";
1999 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2000 s = "offset must be a multiple of sector size";
2002 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2007 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2008 for (i = 0; flagstr[i]; i++) {
2009 int bit = flagbits[(uchar_t)flagstr[i]];
2012 (void) printf("***Invalid flag: %c\n",
2018 /* If it's not something with an argument, keep going */
2019 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS |
2020 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2023 p = &flagstr[i + 1];
2024 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2025 blkptr_offset = strtoull(p, &p, 16);
2026 if (*p != ':' && *p != '\0') {
2027 (void) printf("***Invalid flag arg: '%s'\n", s);
2034 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) {
2036 spa_close(spa, (void *)zdb_read_block);
2037 error = spa_open(pool, spap, (void *)zdb_read_block);
2039 fatal("Failed to open pool '%s': %s",
2040 pool, strerror(error));
2044 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2046 (void) printf("***Invalid vdev: %s\n", vdev);
2051 (void) printf("Found vdev: %s\n", vd->vdev_path);
2053 (void) printf("Found vdev type: %s\n",
2054 vd->vdev_ops->vdev_op_type);
2057 buf = umem_alloc(size, UMEM_NOFAIL);
2059 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2060 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY;
2062 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2063 zio = zio_root(spa, NULL, NULL, 0);
2064 /* XXX todo - cons up a BP so RAID-Z will be happy */
2065 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size,
2066 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL));
2067 error = zio_wait(zio);
2068 spa_config_exit(spa, SCL_STATE, FTAG);
2071 (void) printf("Read of %s failed, error: %d\n", thing, error);
2075 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2076 zdb_print_blkptr((blkptr_t *)(void *)
2077 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2078 else if (flags & ZDB_FLAG_RAW)
2079 zdb_dump_block_raw(buf, size, flags);
2080 else if (flags & ZDB_FLAG_INDIRECT)
2081 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2083 else if (flags & ZDB_FLAG_GBH)
2084 zdb_dump_gbh(buf, flags);
2086 zdb_dump_block(thing, buf, size, flags);
2089 umem_free(buf, size);
2094 nvlist_string_match(nvlist_t *config, char *name, char *tgt)
2098 if (nvlist_lookup_string(config, name, &s) != 0)
2101 return (strcmp(s, tgt) == 0);
2105 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt)
2109 if (nvlist_lookup_uint64(config, name, &val) != 0)
2112 return (val == tgt);
2116 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid)
2121 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2122 &child, &children) == 0);
2123 for (c = 0; c < children; ++c)
2124 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid))
2130 vdev_child_string_match(nvlist_t *vdev, char *tgt)
2135 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2136 &child, &children) == 0);
2137 for (c = 0; c < children; ++c) {
2138 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) ||
2139 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt))
2146 vdev_guid_match(nvlist_t *config, uint64_t guid)
2150 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2153 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) ||
2154 vdev_child_guid_match(nvroot, guid));
2158 vdev_string_match(nvlist_t *config, char *tgt)
2162 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2165 return (vdev_child_string_match(nvroot, tgt));
2169 pool_match(nvlist_t *config, char *tgt)
2171 uint64_t guid = strtoull(tgt, NULL, 0);
2175 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) ||
2176 vdev_guid_match(config, guid));
2179 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) ||
2180 vdev_string_match(config, tgt));
2185 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir)
2189 nvlist_t *match = NULL;
2191 if (vdev_dir != NULL)
2192 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir);
2194 pools = zpool_find_import_activeok(g_zfs, 0, NULL);
2196 if (pools != NULL) {
2197 nvpair_t *elem = NULL;
2199 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2200 verify(nvpair_value_nvlist(elem, configp) == 0);
2201 if (pool_match(*configp, pool_id)) {
2202 if (match != NULL) {
2204 "More than one matching pool - "
2205 "specify guid/devid/device path.");
2214 *configp = error ? NULL : match;
2220 main(int argc, char **argv)
2223 struct rlimit rl = { 1024, 1024 };
2225 objset_t *os = NULL;
2231 char *vdev_dir = NULL;
2233 (void) setrlimit(RLIMIT_NOFILE, &rl);
2234 (void) enable_extended_FILE_stdio(-1, -1);
2236 dprintf_setup(&argc, argv);
2238 while ((c = getopt(argc, argv, "udibcsvCS:U:lRep:")) != -1) {
2256 spa_config_path = optarg;
2267 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0);
2268 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4))
2270 endstr = strchr(optarg, ':') + 1;
2271 if (strcmp(endstr, "fletcher2") == 0)
2272 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2273 else if (strcmp(endstr, "fletcher4") == 0)
2274 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4;
2275 else if (strcmp(endstr, "sha256") == 0)
2276 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
2277 else if (strcmp(endstr, "all") == 0)
2278 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2288 if (vdev_dir != NULL && exported == 0) {
2289 (void) fprintf(stderr, "-p option requires use of -e\n");
2294 g_zfs = libzfs_init();
2295 ASSERT(g_zfs != NULL);
2297 for (c = 0; c < 256; c++) {
2298 if (dump_all && c != 'l' && c != 'R')
2301 dump_opt[c] += verbose;
2308 if (dump_opt['C']) {
2309 dump_cachefile(spa_config_path);
2315 if (dump_opt['l']) {
2316 dump_label(argv[0]);
2320 if (dump_opt['R']) {
2321 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
2322 flagbits['c'] = ZDB_FLAG_CHECKSUM;
2323 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
2324 flagbits['e'] = ZDB_FLAG_BSWAP;
2325 flagbits['g'] = ZDB_FLAG_GBH;
2326 flagbits['i'] = ZDB_FLAG_INDIRECT;
2327 flagbits['p'] = ZDB_FLAG_PHYS;
2328 flagbits['r'] = ZDB_FLAG_RAW;
2332 zdb_read_block(argv[0], &spa);
2337 spa_close(spa, (void *)zdb_read_block);
2342 dump_config(argv[0]);
2347 * Check to see if the name refers to an exported zpool
2350 nvlist_t *exported_conf = NULL;
2352 if ((slash = strchr(argv[0], '/')) != NULL)
2355 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir);
2357 nvlist_t *nvl = NULL;
2359 if (vdev_dir != NULL) {
2360 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
2362 else if (nvlist_add_string(nvl,
2363 zpool_prop_to_name(ZPOOL_PROP_ALTROOT),
2369 error = spa_import_faulted(argv[0],
2370 exported_conf, nvl);
2380 if (strchr(argv[0], '/') != NULL) {
2381 error = dmu_objset_open(argv[0], DMU_OST_ANY,
2382 DS_MODE_USER | DS_MODE_READONLY, &os);
2384 error = spa_open(argv[0], &spa, FTAG);
2389 fatal("can't open %s: %s", argv[0], strerror(error));
2393 zopt_objects = argc;
2394 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
2395 for (i = 0; i < zopt_objects; i++) {
2397 zopt_object[i] = strtoull(argv[i], NULL, 0);
2398 if (zopt_object[i] == 0 && errno != 0)
2399 fatal("bad object number %s: %s",
2400 argv[i], strerror(errno));
2406 dmu_objset_close(os);
2409 spa_close(spa, FTAG);
2412 fuid_table_destroy();